WHERE子句中,表达式“age between 20 and 30”等同于:
A、age >= 20 and age <= 30;
B、age >= 20 or age <=30;
C、age > 20 and age < 30;
D、age > 20 and age < 30
发布时间:2025-09-02 18:41:26
A、age >= 20 and age <= 30;
B、age >= 20 or age <=30;
C、age > 20 and age < 30;
D、age > 20 and age < 30